Home / 12,395.08-18,576.82-5,806.74

Finding the Fourth Proportional to 12,395.08, 18,576.82 and 5,806.74

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Solution

The fourth proportional to 12,395.08, 18,576.82 and 5,806.74 is: 8,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.08 : 18,576.82 = 5,806.74 : x
  2. Step 2: Convert to fraction form
    12,395.08/18,576.82 = 5,806.74/x
  3. Step 3: Cross multiply
    12,395.08x = 18,576.82 × 5,806.74
  4. Step 4: Simplify right side
    12,395.08x = 107,870,719.86
  5. Step 5: Solve for x
    x = 107,870,719.86/12,395.08
  6. Step 6: Final answer
    x = 8,702.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.